London Borough of Hillingdon
Planning applications.

1. Approval9762/APP/2025/1162

   Conversion of attached garage to habitable accommodation and erection of part single storey, part two storey extensions and fenestration alterations.

   14 GATEHILL ROAD NORTHWOOD

   Received 24 Apr 2025
2. Approval26441/APP/2025/2680

   Conversion of roof space to habitable use to include rear dormer, side dormer, and hip to gable end extension. (Application for a Certificate of Lawful Development for a Proposed Development)

   100 COPTHALL ROAD WEST ICKENHAM UB10 8HT

   Received 15 Oct 2025
3. Approval63575/APP/2023/3505

   Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

   38 NEWNHAM AVENUE RUISLIP MIDDX HA4 9RN

   Received 4 Dec 2023
4. Prior Approval N/Req12820/APP/2025/1304

   Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 2.90 metres.

   7 FORE STREET EASTCOTE PINNER

   Received 8 May 2025
5. Approval39444/APP/2025/2967

   Change of use of existing two-storey office building (Class E) to a residential dwelling (Class C3) comprising 1 x two-bed unit, including removal of the existing external metal fire escape stair, construction of a first-floor balcony, and associated external alterations including amendments to fenestration and provision of a bin store.

   20B HIGH STREET NORTHWOOD

   Received 24 Nov 2025
6. Refusal53050/APP/2025/3265

   Change of use from Use Class C3 (dwellinghouse) to Use Class C4, to form a six-bedroom, six-person House in Multiple Occupation (HMO) with cycle store. Erection of a single storey extension to the rear, conversion of roof space to habitable use to include a rear dormer

   26 THE DINGLE HILLINGDON

   Received 30 Dec 2025
7. Prior Approval N/Req80132/APP/2026/1491

   Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 2.90 metres, and for which the height of the eaves would be 2.80 metres

   90 WHITETHORN AVENUE YIEWSLEY UB7 8LA

   Received 17 Jun 2026
8. Withdrawn (P)65191/APP/2023/1812

   Conversion of integral garage to habitable accommodation. Amendments to fenestration (Application for a Certificate of Lawful Development for a Proposed Development).

   153 MAPLE ROAD HAYES MIDDX UB4 9NG

   Received 22 Jun 2023
9. Approval78839/TRE/2024/110

   To carry out tree surgery to reduce height by 4-5m Seven Leyland Cypresses in G1 within TPO 257

   27 THIRLMERE GARDENS NORTHWOOD

   Received 12 Jun 2024
10. Approval4058/APP/2021/3650

    External air conditioning plant to be enclosed within a timber plant enclosure, replacement of external ramp, repair and restoration of all windows throughout and installation of secondary glazing and replacement of damaged windows and doors, repointing of existing brickwork to be repointing where damaged and repainting to match existing, replacement of existing round rooflight like for like. Internal reconfiguration comprising the installation of demountable partition walls, removal of partition walls, replacement of non-original doors with fire doors.

    THE FURZE HILLINGDON HOSPITAL PIELD HEATH ROAD HILLINGDON UB8 3NN

    Received 28 Sept 2021
11. Approval62318/APP/2025/2064

    Conversion and extension of roof space to habitable use to include 2 front and 2 side dormers with roof lights to provide 1 x 1-bedroom flat with associated car parking space (amended description)

    LANDMARK PLACE SNOWDEN AVENUE HILLINGDON

    Received 31 Jul 2025
12. Approval75323/APP/2020/2309

    Single storey rear extension involving demolition of existing outbuilding

    38 NEW ROAD HARLINGTON UB3 5BQ

    Received 24 Jul 2020
13. No Further Action(P)16824/TRE/2020/361

    To carry out tree surgery including the cutting back to boundary line, branches overhanging is Nicholas Way, two Oaks, within area 1 on TPO 393

    15 NICHOLAS WAY NORTHWOOD HA6 2TR

    Received 11 Dec 2020
14. Approval43202/APP/2025/3266

    Details pursuant to the discharge of Conditions 3 (Materials), 4 (Tree Protection Plan) of planning permission ref. 43202/APP/2022/2906, dated 25/11/2022 (Variation of Condition 2 (Approved Plans) of planning permission 43202/APP/2022/1846 dated 09/08/2022 for the 'Erection of a two storey, 4-bed detached dwelling with habitable roofspace involving demolition of existing detached dwelling' which was varied from the main original permission 43202/APP/2021/1875 dated 17/02/2022 (allowed at appeal - APP/R5510/W/21/3287927) to convert the garage into a habitable space involving the replacement of the garage door with a window, the inclusion of an additional obscured glazed side elevation window and alterations to gable-feature fenestration and decoration and masonry detailing on facades. The subsequent variation now seeks to add side ground floor windows (south facing) and re-locate side chimney, increase depth of the building at first floor level, re-locate a side ground floor window (north) facing and new side door, replacement first floor rear window with Juliet Balconies alongside those permitted changes under the previous variation application 43202/APP/2022/1846.)

    26 PARKWAY HILLINGDON

    Received 31 Dec 2025
15. Refusal3952/APP/2019/370

    Use of the site for the storage of motor vehicles (Application for a Lawful Development Certificate for an Existing Use or Operation)

    WALL GARDEN FARM SIPSON LANE SIPSON

    Received 31 Jan 2019
16. Approval69863/APP/2019/3294

    Redevelopment of former garage site to provide a two storey building comprising 1 x two-bedroom and 1 x three-bedroom flat with associated parking and amenity space

    GARAGE BLOCK SITE BETWEEN 43 - 44 AND 45 - 46 BERKELEY CLOSE RUISLIP HA4 6LE

    Received 4 Oct 2019
17. Approval69657/APP/2021/2374

    Single storey outbuilding to rear

    28 BREAKSPEAR ROAD SOUTH ICKENHAM UXBRIDGE UB10 8HE

    Received 13 Jun 2021
18. Approval35220/APP/2023/3712

    Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)

    44 FRAYS AVENUE WEST DRAYTON

    Received 22 Dec 2023
19. Approval6766/APP/2021/3459

    Installation of new flue duct. Internal alterations by moving main cooking to ground floor and introducing take away A5 use with alterations to 2 front windows.

    29-31 THE BROADWAY JOEL STREET NORTHWOOD HA6 1NU

    Received 13 Sept 2021
20. Approval57489/APP/2026/968

    Erection of an outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)

    13 DORSET AVENUE HAYES

    Received 16 Apr 2026
21. Approval23666/APP/2023/1840

    Erection of a single storey side and rear wraparound extension and front porch following demolition of existing side extension and porch

    10 PARK WAY RUISLIP

    Received 23 Jun 2023
22. Withdrawn (P)75175/APP/2019/3419

    Erection of a two storey 4 bed dwelling with habitable roof space, associated parking and amenity space

    LAND AT 23-25 LITTLE ROAD HAYES UB3 3BT

    Received 17 Oct 2019
23. Refusal45406/APP/2026/1480

    Change of use from dwellinghouse (Class C3) to care home (Class C2) with associated works.

    49 DAWLEY ROAD HAYES

    Received 16 Jun 2026
24. Undecided80249/APP/2026/2130

    Conversion of roof space to habitable use including 1 x front and rear gable end windows and 5no. side facing rooflights.

    24 BURBRIDGE GARDENS UXBRIDGE UB10 0GE

    Received 1 Sept 2026

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.